Troubleshooting guide

Table Of Contents
252
3300 ICP Technician’s Handbook
ONS 1 - 4 3 Ring
4 Tip
ONS 3 - 4 2 Contact sensor
5 Contact sensor
Relay 1/2 (not
used)
1
3 RLY1_Common
4 RLY1_NO (normally open)
6 RLY1_NC (normally closed)
2 RLY2_Common
5 RLY2_NO (normally open)
1 RLY2_NC (normally closed)
Paging 3 Paging signal
4 Paging signal
6 Not used
2 Paging relay common
5 Paging relay NO (normally open)
1 Paging relay NC (normally closed)
1
Reserved for future development.
Table 27: Embedded Analog Music on Hold Connector Pinout
Conductor Signal Virtual Circuit PLID
Shield MOH_COM
4 1 3 1
Ring MOH_1
Tip MOH_2
Note: The Music On Hold port requires a 3.5 mm stereo jack for input signal connection.
The two input signals are equivalent to the left and right channel signals from a stereo
source and are combined internally into a single channel.
Table 26: Analog Main Board/Analog Option
Board Pinouts (continued)
Port Pin Number Function
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